<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="dialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!-- 用户列表区 -->
      <el-table :data="userList" border stripe>
        <el-table-column type="index" label="序号"></el-table-column>
        <el-table-column prop="username" label="姓名"> </el-table-column>
        <el-table-column prop="email" label="邮箱"> </el-table-column>
        <el-table-column prop="mobile" label="电话"> </el-table-column>
        <el-table-column prop="role_name" label="角色"> </el-table-column>
        <el-table-column label="状态">
          <!-- 作用域插槽 -->
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStatusChange(scope.row)"
            ></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <!-- 修改 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              circle
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              circle
              @click="removeUersById(scope.row.id)"
            ></el-button>
            <!-- 分配角色 -->
            <el-tooltip
              class="item"
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                circle @click="setRloes(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="dialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容主体区域 -->
      <el-form
        :model="addForm"
        :rules="addFromRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input type="password" v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部按钮区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="adduser"> 确 定 </el-button>
      </span>
    </el-dialog>
    <!-- 修改用户 对话框-->
    <el-dialog
      title="修改用户"
      :visible.sync="EditdialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
      <el-form
        :model="editForm"
        :rules="editFromRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部按钮区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="EditdialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser"> 确 定 </el-button>
      </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog title="分配角色" :visible.sync="setRloesDialogVisible" 
     width="50%" @close='setRloesDialogClose'>
        <div>
          <p>当前的用户:{{userinfo.username}}</p>
          <p>当前的角色:{{userinfo.role_name}}</p>
          <p>分配新权限:
              <el-select v-model="selectedRloeId" placeholder="请选择">
                <el-option
                  v-for="item in rolesList"
                  :key="item.id"
                  :label="item.roleName"
                  :value="item.id">
                </el-option>
              </el-select>
          </p>
        </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRloesDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="setRloesInfo"
          >确 定</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    //自定义校验手机号码规则
    var checkEmail = (rule, value, callback) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
      if (regEmail.test(value)) {
        return callback();
      }
      //回调函数
      callback(new Error("请输入合法的邮箱"));
    };
    //自定义校验邮箱规则
    var checkMobile = (rule, value, callback) => {
      const regMobile =
        /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/;
      if (regMobile.test(value)) {
        return callback();
      }
      callback(new Error("请输入合法的手机号"));
    };
    return {
      //获取用户参数对象
      queryInfo: {
        query: "",
        //当前页
        pagenum: 1,
        //当前每页显示多少数据
        pagesize: 2,
      },
      userList: [],
      total: 0,
      //控制添加用户对话框的显示和隐藏
      dialogVisible: false,
      //控制修改用户对话框的显示和隐藏
      EditdialogVisible: false,
      //添加用户的表单数据对象
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      //修改用户的表单数据对象
      editForm: {},
      //分配角色显示的对话框
      setRloesDialogVisible:false,
      //需要被分配角色用户信息
      userinfo:{},
      //所有角色的数据列表
      rolesList:[],
      selectedRloeId:'',
      //添加表单的验证规则
      addFromRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "用户名的长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 6,
            max: 16,
            message: "密码的长度在 6 到 16 个字符",
            trigger: "blur",
          },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      editFromRules: {
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      //Ajax请求数据 返回一个promise对象 用asnyc函数简化操作
      //await后返回的是一个数据对象  再解构赋值
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        return this.$message.error("获取用户列表失败");
      }
      this.userList = res.data.users;
      this.total = res.data.total;
      console.log(res);
    },
    //监听pagesize改变的事件
    handleSizeChange(newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize;
      //重新获取数据
      this.getUserList();
    },
    //监听 页码值改变
    handleCurrentChange(newPage) {
      // console.log(newPage)
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    //监听switch开关状态的改变
    async userStatusChange(userinfo) {
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state;
        return this.$message.error("更新用户状态失败！");
      }
      this.$message.success("更新用户状态成功！");
    },
    //监听添加对话框关闭 重置器表单
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },
    //添加用户
    adduser() {
      this.$refs.addFormRef.validate(async (valid) => {
        console.log(valid);
        if (!valid) {
          return;
        }
        const { data: res } = await this.$http.post("users", this.addForm);
        if (res.meta.status !== 201) {
          this.$message.error("添加用户失败");
        }
        this.$message.success("添加用户成功");
        //隐藏添加对话框
        this.dialogVisible = false;
        //刷新列表
        this.getUserList();
      });
    },
    //  先查询 再修改用户信息
    async showEditDialog(id) {
      const { data: res } = await this.$http.get("users/" + id);
      if (res.meta.status !== 200) {
        return this.$message.error("查询用户信息失败");
      }
      this.editForm = res.data;
      this.EditdialogVisible = true;
    },
    //监听用户修改的对话框关闭事件
    editDialogClosed() {
      this.$refs.editFromRules.resetFields();
    },
    //修改用户信息
    editUser() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) {
          return;
        }
        const { data: res } = await this.$http.put(
          "users/" + this.editForm.id,
          { email: this.editForm.email, mobile: this.editForm.mobile }
        );
        if (res.meta.status !== 200) {
          this.$message.error("修改用户失败");
        }
        //隐藏修改对话框
        this.EditdialogVisible = false;
        //刷新列表
        this.getUserList();
        this.$message.success("修改用户成功");
      });
    },
    //根据id删除用户
    async removeUersById(id) {
      //弹框提示是否删除
      const confirmResult = await this.$confirm(
        "此操作将永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);
      //如果用户确认删除，返回为字符串comfirm
      //如果用户取消删除，返回字符串cancel
      if (confirmResult !== "confirm") {
        return this.$message.info("已取消删除");
      }
      const { data: res } = await this.$http.delete("users/" + id);
      if (res.meta.status !== 200) {
        return this.$message.error("删除用户失败");
      }
      this.$message.success("删除用户成功");
      this.getUserList();
    },
    //展示分配角色的对话框
    async setRloes(userinfo){
      this.userinfo=userinfo
      //获取所有角色列表
      const{data:res}= await this.$http.get('roles')
      if(res.meta.status!==200){
        return this.$message.error('获取角色列表失败')
      }
      this.rolesList=res.data
      this.setRloesDialogVisible=true
    },
    async setRloesInfo(){
      if(!this.selectedRloeId){
        return this.$message.error('请选择分配的角色！')
      }
      const {data:res} = await this.$http.put(`users/${this.userinfo.id}/role`,{
        rid:this.selectedRloeId
      })
      if(res.meta.status!==200){
        return this.$message.error("更新角色失败"); 
      }
      this.$message.success('更新角色成功！')
      this.getUserList()
      this.setRloesDialogVisible=false
    },
    setRloesDialogClose(){
      this.selectedRloeId=''
      this.userinfo={}
    }
  },
};
</script>
<style lang="less" scoped>
</style>
